Unreal Engine Issues
Unreal Engine Issues
Crash when trying to open a widget after upgrading project
UE - Foundation - Core - Jul 1, 2019A user is experiencing a crash after upgrading their project from 4.21 to 4.22. This crash did not occur in the 4.21 version of the engine. [Link Removed] ...
Crash when save the blueprint function variable that set the StringTable asset
UE - Foundation - Core - Apr 17, 2019This issue doesn't crash in 4.21. It is rewritten as GIsSavingPackage = true in UPackage::(Save() when Blueprint is saved, but it's rewritten as false in 4.21. Workaround Do not set the String Tab ...
Inaccurate updates to root widget visibility binding
UE - Editor - UI Systems - Apr 6, 2017Inaccurate updates to root widget visibility binding, so far in my testing, this does not affect the functionality of the binding. Regression: affects 4.13.2, 4.14.3, 4.15.1 binary versions ...
Incorrect/Different hard shading on meshes in Forward Shading
UE - Graphics Features - Dec 18, 2018With forward shading enabled in 4.21 shading appears to be too hard on certain faces. This is working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4613538 and 4.22 CL# 4666322 ...
VertexInterpolator Makes Landscape Materials Fail to Compile
UE - Graphics Features - Jan 7, 2019If a VertexInterpolator is used in a material that is applied to a landscape the material will fail to compile. Found in 4.20 CL# 4369336, 4.21 CL# 4.21 CL# 4613538, 4.22 CL# 4681912 ...
The layer option for grid panels do not appear to be having an effect on draw order
UE - Editor - UI Systems - Feb 1, 2016It appears that users are unable to order widgets within a grid panel so as to set what widget that would like to be in the front. The layer option in the details panel says that it affects draw ord ...
[CrashReport] Fatal error: Cast of nullptr to Actor failed - UE4Editor_CoreUObject!CastLogError()
Tools - Jul 19, 2017This is a common crash affecting users in 4.16, and has been occurring since at least 4.14. It has affected more than 400 unique users, unfortunately they have provided little information. User Des ...
Skylight is not Captured in Reflection Probes
UE - Graphics Features - Apr 2, 2019Skylight is not Captured in Reflection Probes. Unable to test in 4.20 due to project provided being 4.21 Found in 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5687320 ...
Decals Normal only + Material Attributes
UE - Graphics Features - Mar 24, 2023This does not just work with BaseColor, you can affect any of the outputs by connecting something to a disconnected CreateMaterialAttributes. ...
Light components stay visible if "Actor Hidden In Game" is checked
UE - Graphics Features - Feb 6, 2017Light components stay visible if "Actor Hidden In Game" is checked. This issue occurs even when other components (such as a static mesh) are no longer visible. I tested with a static mesh component ...